youtube: Use HTTPS rather than insecure HTTP
youtube: Use HTTPS rather than insecure HTTP

To avoid leaking (potentially uniquely identifiable) user data over
plain text (be it search phrases, hashes of contact emails, etc etc),
use HTTPS whenever possible.

https://bugzilla.gnome.org/show_bug.cgi?id=743449

MikePetullo/grilo-plugins,jasuarez/grilo-plugins,GNOME/grilo-plugins,jasuarez/grilo-plugins,GNOME/grilo-plugins,MathieuDuponchelle/grilo-plugins,MikePetullo/grilo-plugins,grilofw/grilo-plugins,MikePetullo/grilo-plugins,MathieuDuponchelle/grilo-plugins,MathieuDuponchelle/grilo-plugins,MathieuDuponchelle/grilo-plugins,grilofw/grilo-plugins